I have the same size room as you and listen to a pair of Charney Audio Companion horns with Omega RS7 drivers. My system is Sparkler Audio CD player as transport to a Digital Amplifier Company (DAC) Dac 2 with volume control (HSV) to a DAC 2 Cherry Amp. Everything your looking for in wide deep engaging sound. If your in the NJ/NY area make an appointment with Charney you’ll be glad you did.
http://charneyaudio.com/
http://charneyaudio.com/